491767880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20873}}^1$

素因数の和:20934

約数の個数: 64

約数和(自身を含む): 1202342400

約数和(自身を除く): 710574520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 20873, 23560, 41746, 83492, 104365, 166984, 208730, 396587, 417460, 647063, 793174, 834920, 1294126, 1586348, 1982935, 2588252, 3172696, 3235315, 3965870, 5176504, 6470630, 7931740, 12294197, 12941260, 15863480, 24588394, 25882520, 49176788, 61470985, 98353576, 122941970, 245883940, 491767880]

約数ペア:

[(1, 491767880), (2, 245883940), (4, 122941970), (5, 98353576), (8, 61470985), (10, 49176788), (19, 25882520), (20, 24588394), (31, 15863480), (38, 12941260), (40, 12294197), (62, 7931740), (76, 6470630), (95, 5176504), (124, 3965870), (152, 3235315), (155, 3172696), (190, 2588252), (248, 1982935), (310, 1586348), (380, 1294126), (589, 834920), (620, 793174), (760, 647063), (1178, 417460), (1240, 396587), (2356, 208730), (2945, 166984), (4712, 104365), (5890, 83492), (11780, 41746), (20873, 23560)]